County market report · FIPS 48491
Williamson County, TX
Austin-Round Rock-Georgetown, TX · Population 617,855 (Census V2020 est.)
Typical value
$394,699
Sep 2026
1M
+0.1%
3M
-0.3%
12M
-4.8%
5Y
-12.7%
10Y
+46.1%
From peak
-26.2%
Peak $534,802 · Jun 2022
Rank US / state
2941 / 221
by 12M change
Zillow Home Value Index
Source: Zillow Home Value Index (ZHVI), all homes, smoothed & seasonally adjusted · data through Sep 2026.
Inflection signal
Price-OnlyF · Potential Bottom
r3-0.29%p3-1.90%Acceleration+1.61ppMonths persisting1Evidence (Price-Only)67/100
Inventory, sales & days on market — Phase 2
Supply and demand confirmation is not yet available.
Yearly values (December)
| Year | ZHVI (Dec) | YoY change |
|---|---|---|
| 2025 | $410,066 | -5.2% |
| 2024 | $432,751 | -2.7% |
| 2023 | $444,890 | -8.1% |
| 2022 | $484,246 | +3.9% |
| 2021 | $465,908 | +39.8% |
| 2020 | $333,202 | +11.3% |
| 2019 | $299,365 | +2.9% |
| 2018 | $291,025 | +2.5% |
| 2017 | $283,886 | +3.7% |
| 2016 | $273,824 | +6.4% |
| 2015 | $257,365 | +8.9% |
| 2014 | $236,261 | +11.3% |
| 2013 | $212,352 | +9.5% |
| 2012 | $193,975 | +3.8% |
| 2011 | $186,904 | -1.5% |
| 2010 | $189,824 | -3.1% |
| 2009 | $195,876 | -1.6% |
| 2008 | $199,069 | -1.6% |
| 2007 | $202,254 | — |